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Scaling myYearbook.

About myYearbook.com
• Founded in 2005 • 2007 - 100M Dynamic HTTP Requests per Month • 2010 - 2.5B Dynamic HTTP Requests per Month • Top 5 Social Network in the United States as measured by Hitwise • Top 25 trafﬁcked site in the United States as measured by ComScore • 99% Uptime

Avoid Reengineering
• Reengineering for reengineering’s sake is an unnecessary distraction • Address engineering faults with a forward facing purpose • Do not introduce new products or product redesigns at the same time as a wholesale change in application code • Hard to ﬁnd primary reason for shift in trafﬁc patterns • Problems impact users impression of new products and user facing changes

Not All Vendors Are Equal
• Migrating CDN vendors resulted in a notable increase in page views and decrease in page load latency • Hardware support by vendor differs greatly • Communication is key • Foster good relationships • Extra effort on your part should yield extra effort on their part